Updated on November 11, 2024 Anatomy of the Vulva Anatomy of the Vulva Glands of the vulva Epidermal Inclusion Cyst Epidermal inclusion cysts are caused by the proliferation of epidermal cells within a circumscribed area of the dermis which results in plugging of a pilosebaceous unit. It is AKA epidermoid cyst or sebaceous cyst. Usually...